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Clevite Pontiac 350, 389, 400 Main Bearings - Std, Full Groove (Set)

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  • C77-MS-496P-STD
  • C77-MS-496P-STD

    Clevite77 Main Bearings for 350, 389, and 400 cu in Blocks - std

    Description

    Full groove upper and lower


    P Series -

    • Typically the greatest level of eccentricity
    • Rods and mains have high crush for maximum retention
    • Most are fully grooved to maximize oil flow to rod bearings
    • Reduced overlay thickness to prevent overlay fatigue
    • Use where extremely high RPMs cause severe rod bore close-in
    • Use where higher eccentricity is desired to narrow bearing contact patterns